Cydney Kessler Date of Test: 6/9/15
Survey Submitted: Summer 10, 2015
Title: Observations of Chemical substance and Physical Changes
Goal: the purpose of this lab test is that We are able to decipher the difference between a substance and physical change. I am about to notify whether a chemical substance change offers occurred throughout the experiment or perhaps if it was obviously a physical change and I can answer so why it is both. Procedure: Inside the lab try things out, I merged different types of chemical substances with different background to see if there was clearly a substance change, as well as to see which kind and so why that transform occurred. DAY TABLE you: Chemical Reactions
( some drops)
Chemical substance # 2
Declaration 1: None
Add 2 drops of solution
Observation two: Solution switched blue
Turned pinkish red (magenta)
C20 H14 O4
Silver precious metal Nitrate
Observation one particular: Turned Gloomy
Absorb in paper bath towel & uncover to sun light
Observation a couple of: no response noted
Copper mineral Sulfate
The response turned light blue
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